Home / 28,055.40-38,717.96-16,119.52

Finding the Fourth Proportional to 28,055.40, 38,717.96 and 16,119.52

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Solution

The fourth proportional to 28,055.40, 38,717.96 and 16,119.52 is: 22,245.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,055.40 : 38,717.96 = 16,119.52 : x
  2. Step 2: Convert to fraction form
    28,055.40/38,717.96 = 16,119.52/x
  3. Step 3: Cross multiply
    28,055.40x = 38,717.96 × 16,119.52
  4. Step 4: Simplify right side
    28,055.40x = 624,114,930.58
  5. Step 5: Solve for x
    x = 624,114,930.58/28,055.40
  6. Step 6: Final answer
    x = 22,245.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.